Oa is originally from Boston, MA. She completed a BA in Art History with a minor in French at Vassar College in Poughkeepsie, New York, and studied abroad in Paris for a year. She worked in New Orleans as a conservation technician at the Notarial Archives on a FEMA funded project, and at the New Orleans Book and Paper Lab. Oa worked on a digitization project at the Louisiana State Museum and completed a Restoration workshop at the Lorenzo de Medici School in Florence, Italy. She is concentrating on book conservation and is a Mellon Library and Archives conservation fellow.